tedCheck out this sick spacesuit! Without gravity, our bodies lose muscle quickly, so astronauts have to get even more exercise in space than they do on Earth. MIT professor Dava Newman came up with a novel solution: a skin-tight spacesuit that helps protect astronauts from bone and muscle atrophy. Pictured above, model Deborah Auda backstage at #TEDWomen sporting the spacesuit of the future -- because who wouldn't wear this 24/7?